WO2023001157A1 - Système de pliage et de dépliage mixte d'aile et de voilure tournante de véhicule volant, et véhicule volant - Google Patents

Système de pliage et de dépliage mixte d'aile et de voilure tournante de véhicule volant, et véhicule volant Download PDF

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Publication number
WO2023001157A1
WO2023001157A1 PCT/CN2022/106572 CN2022106572W WO2023001157A1 WO 2023001157 A1 WO2023001157 A1 WO 2023001157A1 CN 2022106572 W CN2022106572 W CN 2022106572W WO 2023001157 A1 WO2023001157 A1 WO 2023001157A1
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WO
WIPO (PCT)
Prior art keywords
wing
rotor
rotor support
wings
flying car
Prior art date
Application number
PCT/CN2022/106572
Other languages
English (en)
Chinese (zh)
Inventor
田丰年
Original Assignee
田丰年
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 田丰年 filed Critical 田丰年
Priority to AU2022315399A priority Critical patent/AU2022315399A1/en
Priority to DE212022000259.8U priority patent/DE212022000259U1/de
Publication of WO2023001157A1 publication Critical patent/WO2023001157A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
    • B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
    • B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
    • B64C29/0025—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being fixed relative to the fuselage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F5/00—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media
    • B60F5/02—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media convertible into aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/38—Adjustment of complete wings or parts thereof
    • B64C3/56—Folding or collapsing to reduce overall dimensions of aircraft

Definitions

  • the invention relates to the technical field of aircraft and automobile design, in particular to a flying car wing and rotor hybrid retractable system and a flying car.
  • the existing published flying car concepts and patented technologies mainly focus on the following three aspects.
  • flying cars based on tilting rotor or tilting wing technology the advantage is that it combines the advantages of multi-rotor and fixed-wing layouts, and the disadvantage is that the wings are relatively large.
  • the patent application with application number 201820928031.7 discloses a six-rotor arrangement structure of a tandem flying car and a flying car, including two front rotors, two rear rotors, a tail rotor and a head
  • Two front rotors and two rear rotors are symmetrically arranged on the left and right sides of the car through the corresponding front and rear wings in turn;
  • the tail rotor is arranged behind the rear of the car through the lower tail rod;
  • the head rotor is arranged through the head connecting rod In front of the head of the car; its six rotors work together to provide upward flight power to the flying car and maintain the vertical power of the flight.
  • the power generated by the rotor counteracts the gravity of the car, allowing the car to maintain balance in the air.
  • the patent application with the application number 201820928120.1 discloses a single-wing four-rotor structure on a flying car and a flying car, including two side rotors, a tail rotor and a head rotor.
  • the wing extending outward, the middle part of the wing is provided with a side rotor; the tail of the body body is provided with a lower tail boom extending backward horizontally, and a tail rotor is arranged below the lower tail boom; the body body
  • the head is provided with a head link extending horizontally forward, and a head rotor is provided below the head link; it provides upward lift to the flying car through the layout of four rotors around the main body of the vehicle body. Let the flying car take off.
  • the patent application with the application number 201820928117.X discloses a flying car tandem double-wing retractable system and a flying car, including two front wings and two rear wings symmetrically located on both sides of the body body, each front wing is close to the end Each position is provided with a front rotor; each rear wing is provided with a rear rotor near the end position.
  • the front wing can be rotated and retracted to the front wing compartment of the body body, and the rear wing can be rotated and retracted to the rear wing compartment of the body body; when the flying car is flying, the front wing and the rear wing are opened, and the front rotor and the rear rotor provide the lift for the flight.
  • the embodiment of the present invention provides a flying car wing and rotor hybrid retractable system and a flying car .
  • a flying car wing and rotor hybrid retractable system including: body, wings on both sides, wing rotation mechanism, rotor support, rotor support rotation mechanism, rotor assembly
  • the wing is movably connected to the vehicle body; the wing and the wing rotation mechanism are arranged symmetrically on both sides of the vehicle body; the wing rotation mechanism drives the wing to rotate and expand to both sides of the vehicle body , or reverse rotation is retracted to the inner side of the body, without exceeding the edge of the wing, the transition between the vehicle working state and the flying working state of the wing can be completed; after the conversion of the car working state and the flying working state, the wing and the body
  • the positions are relatively fixed and no longer active.
  • the wing can also be fixed at any position during the rotation process; the rotor support is movably connected to the wing, and the rotor support can be rotated by starting the rotor support rotation mechanism to realize the rotation of the rotor support on the wing surface.
  • the rotor support and rotation mechanism drives the rotor supported on the wing surface to rotate from a state parallel to the longitudinal axis of the vehicle body to a state perpendicular to the longitudinal axis of the vehicle body with the rotation of the wing surface, and it can also be turned back in reverse, that is, the rotor can be completed.
  • the conversion between the vehicle working state and the flight working state of the assembly; or, the rotor support can also be fixed at any position during the rotation process to complete the conversion between the vehicle working state and the flying working state of the rotor assembly. After completing the conversion between the working state of the car and the working state of the flight, the position between the rotor support and the wing is relatively fixed and no longer active.
  • the rotor support is preferably a rod.
  • the wings on both sides are arranged on the vehicle body near the front of the vehicle; one or more rotor supports can be installed on the wings.
  • the rotor support is an integral rotor support, and its rotation center point is set at any position between the two ends of the rotor support.
  • the rotor support is divided into two, including a front rotor support and a rear rotor support, both of which share a rotation center point, or respectively set a rotation center point.
  • the wing rotating mechanism drives the wing to rotate through the steering gear, pin shaft, gear, pulley, chain drive, connecting rod or a combination of the above methods, and drives the wing to rotate to both sides of the vehicle body by starting the wing rotating mechanism , or reversely rotate into the inside of the body, and can stay at any position during the rotation.
  • the rotor support and rotation mechanism drives the rotor support to rotate through the steering gear, pin shaft, gear, pulley, chain drive, connecting rod or a combination of the above methods, and the rotor support is rotated by starting the rotor support rotation mechanism to realize the rotor support at Rotation on the airfoil.
  • the airfoil surface includes an upper surface and a lower surface
  • the rotor support is arranged above the upper surface of the airfoil surface or below the lower surface of the airfoil surface.
  • the rotor assembly includes a motor and a rotor; the rotor is fixedly connected to the output shaft of the motor, and the motor is mounted on the rotor support through a fixed or rotatable device.
  • the flying car head rotor assembly front rotor assembly
  • the rear direction rotor assembly rear rotor assembly
  • the rotor support through a non-rotatable rotor support Fixed connection.
  • one or more rotor assemblies may be installed on the rotor support.
  • two rotor assemblies are installed on one rotor support.
  • the present invention also provides a flying car, including the flying car wing and rotor hybrid retractable system as described in any one of the above, and also includes a vertical wing and a horizontal wing arranged at the rear of the vehicle body, and also includes a car
  • the steering system, the power assembly and the flight control stick; the steering system and the power assembly are installed at the bottom of the vehicle body; the flight control stick is installed inside the vehicle body.
  • the steering system of the flying car is installed on the front axle of the wheel, and the powertrain is installed on the rear axle.
  • the main driving position of the flying car is equipped with a steering wheel and a flight control joystick.
  • the rotor surface of the rotor can be driven by the steering gear, so it can stay in any position during the tilting process.
  • the size of the rotor is determined by two factors. First, the diameter of the rotor should be smaller than the length of the rotor support. Second, if the rotor has a tilt function, it must be ensured that the radius of the rotor should be less than the height of the rotor from the ground.
  • the deployment of the rotor can be done manually, or directly by the driving motor.
  • the rotor needs to be folded and retracted, it can be manually pushed to complete.
  • the invention drives several rotors to retract from both sides of the wing to the space within the range of the wing surface through the rotation of the wings and the rotation of the rotor support components, so as to realize the transformation of the flying car from the flying state to the automobile state; through the rotation of the wings and the rotor support
  • the rotation of the components drives several rotors to expand from the space on the surface of the wing to both sides of the wing, and at the same time the wings are expanded to realize the transition of the flying car from the car state to the flying state.
  • the structure is simple, and the unfolding is rapid and orderly.
  • the disclosure of the present invention provides a flying car with vertical take-off and landing, fixed wings, and vehicle modes.
  • the runway length and take-off and landing time are saved; through the combination of rotor tilting and wings, long-endurance fixed-wing flight can be realized; through the rotation of wings around the body, at the same time Cooperating with the rotation of the rotor support structure on the wing, a flying car with a small footprint and meeting the vehicle size requirements of road traffic regulations is realized.
  • Fig. 1 is an isometric side view of the vertical take-off and landing state of the flying car flight mode
  • Fig. 2 is a top view of Fig. 1
  • Fig. 3 is a front view of Fig. 1
  • Fig. 4 is a left view of Fig. 1
  • Fig. 5 is a right view of Fig. 1
  • Fig. 6 is an isometric side view of the flying car driving mode
  • Fig. 7 is a top view of Fig. 6
  • Fig. 8 is a front view of Fig. 6
  • Fig. 9 is a left view of Fig. 6
  • Fig. 10 is a right view of Fig. 6
  • FIG. 12 is an isometric side view of the steering system and powertrain layout of the flying car;
  • Fig. 13 is an isometric view of the wing rotation mechanism and the rotor support rotation mechanism;
  • Fig. 14 is The isometric view of the rotor tilting process;
  • Figure 15 is the isometric view of the rotor folding process;
  • Figure 16 is the isometric view of the flight control stick;
  • Figure 17 is the structural diagram of the connecting rod as the rotor supporting rotation mechanism;
  • Figure 19 is the structural diagram of the pulley mechanism as the rotor support rotation mechanism;
  • Figure 20 is the structural diagram of the belt wheel mechanism as the wing rotation mechanism;
  • Figure 22 is a vehicle mode state diagram of Figure 21;
  • Figure 23 is a flight control circuit distribution diagram.
  • the flying car wing and rotor hybrid retractable system includes: a body, wings on both sides, a wing rotation mechanism, a rotor support, a rotor support rotation mechanism, and a rotor assembly.
  • the body has a streamlined appearance design, with a length of 6 meters, a width of 2 meters, and a height of 1.4 meters;
  • the wing has a wingspan of 8.8 meters and a chord length of 1 meter, which is located above the body near the front of the car;
  • the wing rotation mechanism adopts a steering gear based on a gear set Combined with the straight arm, the steering gear is fixedly connected with the body, and the straight arm of the steering gear is fixedly connected with the wing;
  • the rotor support is a rod with a total length of 3.5 meters and a square section with a side length of 75 mm;
  • the rotor support rotation mechanism adopts a gear set based The combination of the steering gear and the one-arm, the steering gear is fixedly connected
  • the rotor assembly is divided into two front rotor assemblies and two rear rotor assemblies. Wherein, the front rotor assembly is fixedly connected with the rotor support through the tilt steering mechanism, and the rear rotor assembly is fixedly connected with the rotor support through the motor fixing plate.
  • the wing is driven by the wing rotation mechanism and can rotate around the body in a plane parallel to the ground plane, and the tip of the wing is turned up at an angle of 2 degrees; the rotor support is driven by the rotor rotation mechanism and can rotate around the wing in a plane parallel to the ground plane.
  • the present invention also provides a flying car, including the flying car wing and rotor hybrid retractable system, and also includes a vertical wing and a horizontal wing arranged at the rear of the vehicle body, and also includes a car steering system, a power Assembly and flight control stick.
  • the vertical wing and horizontal wing adopt a T-shaped layout and are located at the rear of the vehicle body
  • the steering system of the car adopts a rack and pinion transmission structure and is located on the front axle of the car, including: steering wheel, steering universal joint, steering rod and front wheels
  • the assembly is installed on the rear axle of the car, including: rear wheel drive motor, rear wheel drive shaft, and rear wheels.
  • Flying cars can travel on the ground through steering systems and powertrains.
  • the wing and rotor assembly can be expanded by rotating the wing and the rotor support. At this point, the flying car enters flight mode. Then, by starting the rotor motor to take off vertically, the flying car enters the multi-rotor state.
  • the front rotor assembly can be tilted so that the rotor surface changes from being parallel to the ground plane to being perpendicular to the ground plane, so as to realize forward flight, and at this time, the rear rotor gradually stops. At this point, the flying car enters the fixed-wing state.
  • the airfoil of the front rotor assembly changes from being perpendicular to the ground to being parallel to the ground, and the flying car returns to the multi-rotor state.
  • the rotor assembly of the flying car gradually reduces the speed, and the flying car lands vertically.
  • the wings of the flying car are driven by the wing rotation mechanism to retract to the inside of the body, and the rotor assembly is driven by the rotor support (driven by the rotor rotation mechanism) to rotate on the upper surface of the wing and retract to the inside of the wing, and the flying car returns to vehicle mode.
  • the flying car wing and rotor hybrid retractable system of the present invention includes: body, wings on both sides, wing rotation mechanism, rotor support, rotor support rotation mechanism, rotor assembly;
  • the wing is movably connected to the body;
  • the wing rotation mechanism drives the wing to rotate from a state parallel to the longitudinal axis of the body to a state perpendicular to the longitudinal axis of the body, and can also be turned back in the opposite direction, that is, the car working state and the flying working state of the wing can be completed Or, the wing can also be fixed at any position in the rotation process to complete the conversion between the vehicle working state and the flying working state of the wing;
  • the position between the wing and the body is relatively fixed and no longer active;
  • the rotor support is movably connected to the wing, and the rotor support is rotated by starting the rotor support rotation mechanism to realize the rotation of the rotor support on the wing surface, so that it can move from parallel to the longitudinal direction of
  • the axis (the axis perpendicular to the longitudinal axis of the wing is the longitudinal axis of the wing) is rotated to be perpendicular to the longitudinal axis of the wing, and can also be reversed; when the wing rotates, the wing is parallel to the longitudinal axis of the body
  • the state automobile working state
  • the rotor supported on the wing surface rotates from a state parallel to the longitudinal axis of the wing to a state perpendicular to the longitudinal axis of the wing, and can also Reverse rotation; that is, the conversion of the rotor assembly between the car working state and the flight working state can be completed; or, the rotor support can also be fixed at any position during the rotation process to complete the car working state of the rotor assembly and transition between flight working states.
  • the position between the rotor support and the wing is relatively fixed and no longer active after completing the transition
  • the wing surface can be parallel to the longitudinal axis of the fuselage, or can form a certain angle with the longitudinal axis of the fuselage.
  • the rotor support can be parallel to the wing surface, or it can be at an angle to the wing surface.
  • the wing, the wing rotation mechanism and the rotor assembly are symmetrical about the longitudinal axis of the vehicle body.
  • the wings on both sides are arranged at the position of the vehicle body close to the front of the vehicle, and the wings can be equipped with one or more rotor supports.
  • the rotor support is an integral rotor support, and its center of rotation is set at any position between the two ends of the rotor support.
  • the center of rotation is set in the middle of the rotor support, which is a preferred structure of the present invention.
  • one side wing is provided with a front rotor support and a rear rotor support, arranged above the wing, the front rotor support and the rear rotor support are an integral support, share the center of rotation, and the two ends of the rotor support are A rotor assembly is provided.
  • the rotor support is divided into two, including the front rotor support and the rear rotor support.
  • the two can share the rotation center point, and the ends where the rotation center point is set overlap; or the rotation center point is set separately.
  • the rotor support is of two-stage type, a front rotor support and a rear rotor support, and the lengths of the front rotor support and the rear rotor support are equal or unequal.
  • the front rotor supports and the rear rotor supports have their own rotation axes and do not share the rotation center point.
  • Each rotor support One or more rotors are arranged on it.
  • the wing rotation mechanism can drive the wing to rotate through the steering gear, pin shaft, gear drive, pulley drive, chain drive, connecting rod, or a combination of the above methods.
  • the wing rotation mechanism is driven by the steering gear, and its structure and principle are as follows:
  • the wing rotation mechanism includes two parts: the wing rotation steering gear and the straight arm of the steering gear.
  • the steering gear can be regarded as the integration of the motor and the gear set, which can amplify the torque output by the motor.
  • the steering gear is fixedly mounted on the fuselage.
  • the straight arm of the steering gear is installed on the output shaft of the steering gear and is fixedly connected with the wing.
  • the straight arm of the steering gear drives the wings to rotate, and the wing rotation steering gear is commercially available. This is the preferred solution of the present invention.
  • the wing rotation mechanism is driven by a connecting rod.
  • the connecting rod wing root shaft is fixedly connected to the vehicle body.
  • the wing driven connecting rod is fixed on the wing by going around the first pin shaft of the wing connecting rod, and rotates around the first pin shaft of the wing connecting rod.
  • the wing driving connecting rod is fixed on the vehicle body through the second pin shaft of the wing connecting rod, and rotates around the second pin shaft of the wing connecting rod.
  • the wing driven connecting rod and the wing driving connecting rod are connected through the third pin shaft of the wing connecting rod, and rotate around the third pin shaft of the wing connecting rod.
  • the wing rotation mechanism is driven by a pulley mechanism.
  • the installation relationship is: the root shaft of the pulley is fixedly connected to the vehicle body.
  • the wing is fixedly connected with the driven belt pulley of the wing, and rotates above the vehicle body around the root rotating shaft of the belt wheel.
  • the wing driven pulley and the wing driving pulley are driven to rotate through the wing belt.
  • the wing driving pulley is fixed on the output shaft of the wing pulley motor.
  • the wing pulley motor is fixed on the vehicle body.
  • the wing pulley motor is firmly connected with the body and remains relatively stationary. When the wing pulley motor rotates, it will drive the wing driving pulley to rotate.
  • the wing driving pulley transmits rotational motion to the wing driven pulley through the wing belt. Because the wings are fixedly connected with the driven pulleys of the wings, they rotate above the vehicle body around the root shaft of the pulleys. Therefore, when the wing pulley motor rotates, the belt drive mechanism will drive the wing to rotate around the root shaft of the pulley.
  • the rotation angle is controlled by the wing pulley motor, thereby controlling the wings to be retracted to the inside of the vehicle body or deployed on both sides of the vehicle body.
  • the rotor support rotation mechanism drives the rotor support to rotate through the steering gear, pin shaft, gear transmission, pulley mechanism transmission, chain drive or connecting rod, or a combination of the above methods.
  • the rotating mechanism rotates the rotor support to realize the rotation of the rotor support on the wing surface.
  • the rotor supports are preferably rods.
  • the rotor support rotation mechanism is driven by the steering gear, and its structure and principle are as follows:
  • the rotor support rotation mechanism includes the rotor support rotation steering gear and the steering gear in-line arm.
  • the steering gear can be regarded as the integration of the motor and the gear set, which can amplify the torque output by the motor.
  • the steering gear is fixedly mounted on the wing.
  • the straight arm of the steering gear is installed on the output shaft of the steering gear and is fixedly connected with the rotor support. When the output shaft of the steering gear rotates, the straight arm of the steering gear drives the rotor support to rotate, and the rotor support rotating steering gear is commercially available. This scheme is the preferred scheme of the present invention.
  • the rotor support and rotation mechanism is driven by a connecting rod.
  • the connecting rod supports the rotating shaft and is fixedly connected with the wing.
  • the supporting driven link is fixed on the rear rotor support by going around the first pin of the supporting link, and rotates around the first pin of the supporting link.
  • the supporting drive link is fixed on the wing through the second pin shaft of the supporting link, and rotates around the second pin shaft of the supporting link.
  • the supporting driven link and the supporting driving link are connected through the third pin of the supporting link and rotate around the third pin of the supporting link.
  • the support driven link drives the support driven link through the third pin shaft of the support link to drive the rear rotor support and the front rotor support to support the rotating shaft around the link above the wing rotate.
  • the rotation angle of the support drive link around the second pin axis of the support link controls the rotation angle of the front rotor support and the rear rotor support around the rotation axis of the link support, thereby controlling the retraction of the front rotor support and the rear rotor support to the inside of the wing or on both sides of the wing Expand.
  • the rotor support and rotation mechanism is driven by a pulley mechanism.
  • the pulley mechanism when used as the rotor support and rotation mechanism, the installation relationship is: the front rotor support and the rear rotor support are on the wing Fixed connection above.
  • the supporting pulley rotating shaft is fixedly connected with the wing.
  • the front rotor support and the rear rotor support are fixedly connected with the support driven pulley, and rotate above the wing around the support pulley rotating shaft.
  • the supporting driven pulley and the supporting driving pulley are driven to rotate through the supporting belt.
  • the supporting driving pulley is fixed on the output shaft of the supporting pulley motor.
  • the supporting pulley motor is fixed on the wing.
  • the supporting pulley motor is firmly connected to the wing and remains relatively stationary. When the supporting pulley motor rotates, it will drive the supporting driving pulley to rotate.
  • the supporting driving pulley drives the rotating motion to the supporting driven pulley through the supporting belt. Because the front rotor support and the rear rotor support are fixedly connected with the support driven pulley, they rotate above the wing around the support pulley shaft. Therefore, when the support pulley motor rotates, the front rotor support and the rear rotor support will be driven to rotate around the support pulley shaft through the belt transmission mechanism.
  • the rotation angle is controlled by the support pulley motor, thereby controlling the front rotor support and the rear rotor support to be retracted to the inside of the wing or deployed on both sides of the wing.
  • the airfoil surface includes an upper surface and a lower surface, and the rotor is arranged above the upper surface of the airfoil surface or below the lower surface of the airfoil surface.
  • the rotor assembly is arranged above the upper surface of the airfoil.
  • the rotor assembly can also be arranged below the lower surface of the wing surface.
  • the rotor assembly is connected to the rotor support through the U-shaped bracket of the tilting steering gear assembly. Rotate within the range.
  • the rotor assembly is preferably tilted within a range of 90° parallel to and perpendicular to the wing surface, and can be fixed at any position during the tilting process (that is, the rotor surface of the rotor is realized It can be tilted within a range of 90° parallel to and perpendicular to the wing surface to meet the state requirements for the lifting and advancing status of the flying car), and the tilting steering gear is commercially available. This is the preferred solution of the present invention.
  • the rear rotor assembly is fixedly connected to the rotor support through a motor fixing plate. Therefore, the rear rotor assembly cannot tilt.
  • This example is a preferred example of the present invention.
  • the present invention also provides a flying car, including the flying car wing and rotor hybrid retractable system as described in any one of the above, and also includes a vertical wing and a horizontal wing arranged at the rear of the vehicle body, and also includes a car Steering system, powertrain and flight control stick; steering system and powertrain are installed at the bottom of the vehicle body; flight control stick is installed at the side of the cockpit seat.
  • the steering system of the flying car is installed on the front axle of the wheel, and the powertrain is installed on the rear axle.
  • Steering system includes steering wheel, steering universal joint, steering rod and front wheels.
  • the powertrain includes the rear wheel drive motor, rear wheel drive shaft and rear wheel struts.
  • the main driving position of the flying car is equipped with a steering wheel and a flight control stick.
  • the rotor surface of the rotor can be driven by the steering gear, so it can stay in any position during the tilting process.
  • the size of the rotor is determined by two factors. First, the diameter of the rotor should be smaller than the length of the rotor support. Second, the radius of the tiltrotor should be less than the height of the tiltrotor above the ground. Preferably, the diameter of the rotor in the embodiment of the present invention is less than 2.5 meters.
  • the rotor assembly can be subdivided into the rotor, the upper clip of the rotor, the lower clip of the rotor and the motor.
  • the two rotors are clamped by the upper and lower clips and tightened by fastening screws.
  • the tightening force is such that the rotor will not shoot out, but at the same time, it should ensure that the rotor can rotate around the fastening screw. Since the total height of the flying car is less than 1.7 meters, when the flying car is ready to enter the vehicle mode, adults can fold the rotors on the ground to the folded state shown in Figure 15.
  • the rotor When the flying car enters the take-off preparation state, the rotor can rely on the torque output by the motor to open itself under the action of centrifugal force.
  • the rotor When the rotor is folded to be on the same straight line as the rotor support, the rotor will not exceed the width of the vehicle body, and there will be no interference between adjacent rotors; at the same time, in order to avoid interference between adjacent rotors during work, it is necessary to design Stagger the heights of adjacent rotors, or allow enough distance between rotors.
  • the flying car proposed by the present invention meets the size requirements of passenger cars and can run on urban roads.
  • the working principle of the flying car on the ground is described as follows.
  • vehicle mode by default, the wings of the flying car rotate and retract to the inside of the body, and the rotor support drives the rotor assembly to rotate and retract to the inside of the wing.
  • the driver enters the main driving position in the cockpit of the flying car, starts the powertrain to drive the flying car on the ground, and controls the driving direction of the flying car through the steering wheel.
  • the driver can turn off the powertrain and the flying car stops.
  • the flight control joystick After the flying car is switched to the flight mode, it is mainly controlled by the flight control joystick, as shown in Figure 16 and Figure 23, the flight control joystick mainly includes the joystick switch, multi-rotor and fixed-wing flight state switching switch, grip, left Yaw button, right yaw button, accelerator lever, brake lever and the base of the flight control stick, the flight control stick is connected to the flight control signal line.
  • Fig. 23 is the distribution diagram of the flight control circuit of the embodiment of the present invention
  • the double-dot dash line in the figure is the flight control signal line, starting from the flight control joystick, and the rotor assembly, the tilting steering gear assembly, the wing aileron
  • the horizontal tail rudder is connected to the vertical tail elevator and other mechanisms, and the flight control signal line transmits the control signals of the flight control stick to the rotor, wing and tail respectively, so as to control the corresponding motors and steering gear and other driving mechanisms to realize the control of the flight state.
  • the specific control method is as follows: As shown in Figures 1 and 16, the working principle of the flying car from vehicle mode to flight mode is described as follows.
  • the wings are driven by the wing rotation mechanism and spread out from the inner side of the vehicle body to both sides of the vehicle body.
  • the wings extend from parallel to the longitudinal axis of the body to perpendicular to the longitudinal axis.
  • the rotor support is driven by the rotor support drive mechanism, which drives the rotor assembly to expand from the inside of the wing to be perpendicular to the wing.
  • the rotor supports are deployed orderly in a direction parallel to the upper surface of the wing, and the front and rear rotor surfaces are parallel to the horizontal plane.
  • the working principle of the flying car take-off process The driver toggles the multi-rotor and fixed-wing flight state switch on the flight control joystick to switch the flying car to the multi-rotor state.
  • the multi-rotor and fixed-wing flight state switching switch is a three-stage switch. The default position of the switch is empty. Rotate the flying car to the left to switch to the multi-rotor state, and turn to the right to switch to the fixed-wing state. Then, the driver triggers the throttle lever on the flight control stick, and the motor of the rotor assembly is started, thereby driving the rotor to rotate. When the rotor generates enough lift, the flying car takes off vertically.
  • the principle of flying car landing is the reverse process of the above process. The difference is that the driver reduces the rotor speed by triggering the brake lever on the flight control stick, so that the flying car will gradually land.
  • the movement principle of the multi-rotor state of the flying car in the air When the flying car is hovering in the air, the driver can control the direction of the joystick by manipulating the flight, and control the flying car to perform roll, pitch, and yaw actions in a multi-rotor state.
  • the grip of the flight control stick When the grip of the flight control stick is pushed forward, the speed of the rear rotor of the flying car is higher than that of the front rotor, so a forward lift difference is generated, and the flying car flies forward. Instead, the flying car flies backwards.
  • the flying car When the grip of the flight control stick is pushed to the left, the rotating speed of the right rotor of the flying car is higher than that of the left, so a lift difference to the left is generated, and the flying car flies to the left. Conversely, the flying car flies to the right.
  • the left yaw button of the flight control stick When the left yaw button of the flight control stick is triggered, the speed of the left front rotor and the right rear rotor of the flying car is higher than that of the right front rotor and the left rear rotor, so a lift difference is generated to deflect to the left, and the flying car rotates to the left.
  • the right yaw button on the flight control stick is triggered, the flying car will rotate to the right.
  • control principle of the multi-rotor state of the present invention is the prior art, and for details, please refer to pages 18-20 of the book "Design and Realization of Four-rotor Aircraft” written by Wang Rui and Ding Xiaoqing (ISBN: 9787302489641).
  • the flying car changes from the multi-rotor state to the principle of the fixed-wing state.
  • the driver can toggle the multi-rotor and fixed-wing flight state switch on the flight control stick, and the flying car will gradually change from the multi-rotor state to the fixed-wing state.
  • the two front rotors of the flying car are driven by the steering gear mechanism, and its wing surface is gradually transitioned from being parallel to the horizontal plane to being perpendicular to the horizontal plane, and then the direction of lift is changed from being perpendicular to the horizontal plane to being parallel to the flying car.
  • the state slowly accelerates, and the wings gradually generate lift.
  • the multi-rotor and fixed-wing state switching of the present invention is an existing technology. For details, please refer to pages 18-19 of the book "Flight Control of Tilting Rotor Aircraft” written by Yang Jun, Wu Ximing, Fan Yonghua, and Yuan Bo (ISBN: 9787801837349) .
  • the flight principle of the fixed-wing state of the flying car In the fixed-wing state, when the grip of the flight control stick is pushed forward, the horizontal tail and tail rudder of the flying car will deflect upwards, and the flying car will dive and descend. Instead, the flying car heads up and climbs.
  • the handle of the flight control stick is pushed to the left, the rudder surface of the wing aileron of the flying car deflects, the right aileron goes down, the left aileron goes up, and the flying car tilts to the left to fly. Conversely, the flying car tilts to the right to fly.
  • the multi-rotor and fixed-wing state switching of the present invention is an existing technology. For details, please refer to pages 17-18 of the book “Application of Basic Knowledge of Civil Aviation” written by Jiang Qun and Wang Chun (ISBN: 9787118075588).
  • the flying car transitioning from flight mode to vehicle mode is described as follows.
  • the driver turns off the switch on the flight control stick, and the flying car enters the vehicle mode.
  • the wings are driven by the wing rotation mechanism, and retracted from both sides of the vehicle body to the inner side of the vehicle body.
  • the wing retracts from perpendicular to the longitudinal axis of the body to parallel to the longitudinal axis.
  • the rotor support is driven by the rotor support drive mechanism, which drives the rotor assembly to retract from the outer side of the wing to the inner side of the wing.
  • the rotor supports are retracted orderly in a direction parallel to the upper surface of the wing. The flying car goes into vehicle mode.
  • the steering wheel and supporting steering system of the flying car driving mode are set in front of the main driving position, and the flight control joystick and supporting flight control system are installed on the side of the main driving position.
  • the flying car in the embodiment of the present invention adopts the rear wheel drive mode, and the vehicle powertrain is connected to the wheels through the rear wheel drive shaft to drive the flying car to drive on the ground.
  • the invention cleverly utilizes the rotation deformation of the wing and the rotor support structure, and proposes a flying car layout in which fixed wings, multi-rotors and vehicles are integrated.
  • the multi-rotor layout of the flying car proposed by the present invention enables it to have vertical take-off and landing capability; the fixed-wing layout enables it to have long endurance; the ingenious combined rotation of wings and rotors makes the vehicle model occupy a small area and conform to road traffic regulations. Therefore, this design has the characteristics of vertical take-off and landing, long endurance, and integration of aircraft and vehicle design.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Toys (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

L'invention concerne un système de pliage et de dépliage mixte d'aile et de voilure tournante d'un véhicule volant, et un véhicule volant. Le véhicule volant comprend un fuselage de véhicule (100), des ailes (200) sur deux côtés, des mécanismes de rotation d'aile (800), des supports de voilure tournante (600), des mécanismes rotatifs de support de voilure tournante (700), des ensembles voilure tournante (500), un système de direction de véhicule (900), un ensemble d'alimentation (910) et un mécanisme d'actionnement de commande de vol (1000). Les ailes (200) sont reliées mobiles au fuselage de véhicule (100) ; les ailes (200) et les mécanismes de rotation d'aile (800) sont disposés symétriquement sur deux côtés du fuselage de véhicule (100) ; et les mécanismes de rotation d'aile (800) entraînent les ailes (200) de sorte à tourner et à se déplier vers les deux côtés du fuselage de véhicule (100), ou à tourner en sens inverse et à être pliées vers un côté interne du fuselage de véhicule (100). Les supports de voilure tournante (600) sont reliés mobiles aux ailes (200) au moyen des mécanismes rotatifs de support de voilure tournante (700), et les ensembles voilure tournante (500) sont disposés sur les supports de voilure tournante (600) ; les mécanismes de rotation de support de voilure tournante (700) entraînent les supports de voilure tournante (600) de sorte à se déplier vers les deux côtés des ailes (200), ou à tourner en sens inverse et se plier vers le côté intérieur des ailes (200), de manière à faire tourner les supports de voilure tournante (600) sur une surface d'aile. Le décollage et l'atterrissage verticaux et le vol stable dans les airs du véhicule volant peuvent être réalisés. De plus, lorsque le véhicule roule au sol, les ailes (200) et les ensembles voilure tournante (500) peuvent être pliés en rotation et placés sur le côté intérieur du fuselage de véhicule (100), de telle sorte que l'espace soit réduit, l'aspect soit attrayant, et les exigences de limite de routes urbaines en matière de taille du véhicule soient satisfaites.
PCT/CN2022/106572 2021-07-22 2022-07-19 Système de pliage et de dépliage mixte d'aile et de voilure tournante de véhicule volant, et véhicule volant WO2023001157A1 (fr)

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AU2022315399A AU2022315399A1 (en) 2021-07-22 2022-07-19 Wing-and-rotary-wing mixed folding and unfolding system of flying vehicle, and flying vehicle
DE212022000259.8U DE212022000259U1 (de) 2021-07-22 2022-07-19 Ein hybrides Flügel- und Rotor-Rückzugssystem für ein fliegendes Auto

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CN202110832759.6A CN113415115A (zh) 2021-07-22 2021-07-22 一种飞行汽车机翼和旋翼混合式收放系统及飞行汽车

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Publication number Priority date Publication date Assignee Title
CN113415115A (zh) * 2021-07-22 2021-09-21 田丰年 一种飞行汽车机翼和旋翼混合式收放系统及飞行汽车
CN114435045A (zh) * 2022-01-28 2022-05-06 北京大学 一种用于水空跨介质航行器的可变体空翼机构

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CN113415115A (zh) * 2021-07-22 2021-09-21 田丰年 一种飞行汽车机翼和旋翼混合式收放系统及飞行汽车

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US20120261523A1 (en) * 2010-10-06 2012-10-18 Donald Orval Shaw Aircraft with Wings and Movable Propellers
JP2015151128A (ja) * 2014-02-14 2015-08-24 トヨタ モーター エンジニアリング アンド マニュファクチャリング ノース アメリカ，インコーポレイティド 翼、エアロカー並びに翼を収納及び展開する方法
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